Sheet metal roof



March 10, 1936. FERNANDEZ 2,033,422

SHEET METAL ROOF Filed Dec 20, 1934 2 Sheets-Sheet 1 Inventor Hugo Fernandez arch 10, 1936. H. FERNANDEZ I 2,933,422

SHEET METAL ROOF Filed Pee. 20, 1934 2 Sheets-Sheet 2 I nventm' H010 ikflmndez Patented Mar. 10, 1936 STATES QFHE 3 Claims.

This invention relates to sheet metal roofs and the method of laying same.

One of the objects of the present invention is to construct a sheet metal roof with a clinched seam bent to a fiat position over a channel formed in the sheet adjacent the seam so as tocarry off any water that may beat under the seam before it has an opportunity to seep through the joints made by the seam.

Another feature of the present invention is the design of the adjacent edges of the metal sheets so that the water-proof seam may be fabricated on the roof as the sheets are layed thereby promoting economy of manufacture and laying.

Further objects of the invention are to provide a sheet metal roof and the laying thereof which is extremely simple to lay, that provides a strong and water-proof roof and that furnishes an enduring and useful covering for the building.

With the foregoing and other objects in view, the invention consists of a novel method and construction of the metal sheet of roofing having a novel construction combination and sequence of laying operations as will hereinafter appear in the accompanying specification and drawings, but it is to be understood that changes, variations and modifications may be resorted to without departing from the spirit of the claims hereunto appended.

In the drawings wherein like reference characters denote corresponding parts,

Figure 1 is a top plan view of the adjacent metal sheets formed by the method and constructed of the sheets of the present invention.

Figure 2 is an edge view of the sheets shown in Figure 1.

Figure 3 is a detailed vertical section taken substantially on line 33 of Figure 1 and looking in the direction of the arrows.

Figure 4 is an elevation of a fragmentary portion of adjacent sheets showing the standing seam prior to clinching and bending.

Figure 5 is a fragmentary edge portion of one of the sheets showing the upstanding tongue,

Figure 6 is a. fragmentary perspective view of the adjacent sheets showing the fold.

Referring to the drawings in detail, A indicates a portion of a roof constructed of sheets in accordance with the present invention and laid by the method of the present invention. The roof A may be formed of sheets of metal of the conventional sizes which may either be corrugated or flat, but for the purposes of illustration herein I have illustrated the construction and principle of the invention as applied to corrugated metal sheets. It will be understood that the roof is made up of metal corrugated sheets having the customary transverse joints between the courses of sheets. The present invention deals only with 5 the construction and method of forming the longitudinal seam between adjacent sheets of the same course.

The one sheet selected for illustrative purposes is indicated at l and the adjacent sheet in 10 the same course is indicated at 8. Along the Iongitudinal edge, each of the adjacent sheets "I, 8 are formed with an upstanding fold 9 with a vertical pocket IE3 between the sides of the fold. On the opposed side each sheet is formed with an 15 upstanding tongue H extending at right angles to the roof deck, which tongue extends into the pocket 10 of the fold on the adjacent sheet.

The longitudinal margin of each sheet adjacent the upstanding tongues H is formed with 20 a bowed inset channel l2 and the channel merges at each side with the flat ledges l3 and I4 where corrugated sheets are used. Where the sheets are fiat, these ledges l3, M are in the same plane with the flat sheets while the channel I2 is below the 25 fiat face of the sheet.

In laying the sheet metal roof in accordance with the present invention, the one sheet is laid and the other sheet is laid so that the fold will overlap the tongue in the upstanding relation illustrated in Figure 4 of the invention. Then the sheets are nailed in the customary manner to the rafters l5 of the building. Thereafter the clinching tools are used to clinch the fold 9 tightly 35 against the upstanding tongue I l whereupon the fold with its inserted tongue is folded in a counter-clockwise manner with respect to Figure 4 thereby making the fiat seam B along the longitudinal edges of the sheets. In the corrugated sheet used in illustrating the invention it will be noted that the width of the seam B when bent to the flat position shown in Figure 2 of the drawings is of the same width as the channel l2 and its contiguous ledges l3 and M. In this position, it will be seen that the seam B has no exposed edges on the upper face of the roof and the lower face of the seam B bridges the channel l2 so that any water seeping under the seam will be carried away by the slope of the roof before it engages with the free edge of the fold 9.

From the foregoing it is believed that a clear understanding of the construction of the sheet is fully disclosed together with the novel method of laying the roof without a more detailed descrlption thereof.

Having thus described the invention, what is claimed as new is:

1. In combination, a metal roof formed of metal sheets, said sheets formed with a channel along one margimand adjacent sheets formed with an upstanding fold and an upstanding tongue seatable in said fold to provide an upstanding seam, and said seam being bent downwardly to a flat position bridging the channel.

2. In a sheet metal roof, adjacent metal sheets formed with a fiat clinched seam, one of the sheets formed with an outwardly opening channel having a. portion thereof disposed below the surface I member along one edge, said body portion of the 5 sheet formed with an upstanding tongue member along another edge, and said body portion of the sheet further formed with an outwardly opening channel between the fold and tongue members,

said channel relatively arranged to rest under 10 interlocked fold and tongue members when said members are bent above the sheet to a position over the channel.

HUGO FERNANDEZ. 15 

